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CVE-2026-2005

PostgreSQL pgcrypto heap buffer overflow executes arbitrary code

Published: 2/12/2026 Last updated: 7/15/2026 Reserved: 2/5/2026

Heap buffer overflow in PostgreSQL pgcrypto allows a ciphertext provider to execute arbitrary code as the operating system user running the database. Versions before PostgreSQL 18.2, 17.8, 16.12, 15.16, and 14.21 are affected.

CNA assigner: PostgreSQL (f86ef6dc-4d3a-42ad-8f28-e6d5547a5007) Requested by: n/a

Metrics

Version Score Severity Vector String
3.1 8.8 High CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Opam packages affected (5)

conf-mingw-w64-postgresql-i686 conf-mingw-w64-postgresql-x86_64 conf-postgresql ocsigen-start postgresql

Products affected (2)

Product Vendor Version
PostgreSQL n/a < 10.0.19041.1415
PostgreSQL n/a < publication

References (68)

Credits (2)